Laser engraving Lens simplify scanning systems by ensuring a linear
relationship between the input scan angle and the focal position on
a flat plane. The line includes the 10600nm zinc selenide type
F-Theta lens with a short focal length. The short focal length
allows users to obtain the smallest possible spot size to improve
system resolution. The fused-silica provides better optical
transmission than standard N-BK7 glass, particularly for UV and
near-UV wavelengths. The increased transmission allows systems to
operate with less laser power, extending laser lifetime, and also
reduces heat build-up in the lens due to absorption, extending lens
lifetime.

The introductions provide a full line of telecentric F-Theta lenses
for use in scanning systems such as laser marking and 3D
prototyping. Telecentric lenses are designed to eliminate the
perspective error found in conventional lens systems, increasing
the depth of field for focusing. The combination enhances the
ability of scanning systems to handle non-flat surfaces and makes
them ideal for cutting or drilling when the process must remain
perpendicular to the surface, as in semiconductor and solar panel
processing.

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